Initial progress at last!
I'm not planning on doing much creative with the theme. Instead, I'm simply taking on a bit of an idea, which I'm going to call "sandbox roguelike capture the flag."
Here's a screenshot:

I do in fact have an idle animation and a walk animation (although the idle one might be too active):


Sadly OBS does not play nice with Godot on Windows, so I can't use it to get a screencapture. If anyone can recommend other options that would be great.
Sadly I am quite tired, but I may stay up a little longer doing ... something.